Base | Representation |
---|---|
bin | 1011000110110110000001… |
… | …1100011110111011110001 |
3 | 1121020110211220211020101220 |
4 | 2301231200130132323301 |
5 | 3100041101241231001 |
6 | 41550113433015253 |
7 | 2400205644063360 |
oct | 261554034367361 |
9 | 47213756736356 |
10 | 12212210102001 |
11 | 398919525a398 |
12 | 1452984554529 |
13 | 6a77b6556990 |
14 | 30310756d7d7 |
15 | 162a032b7c36 |
hex | b1b6071eef1 |
12212210102001 has 64 divisors (see below), whose sum is σ = 20227648573440. Its totient is φ = 6381485441280.
The previous prime is 12212210101991. The next prime is 12212210102021. The reversal of 12212210102001 is 10020101221221.
It is not a de Polignac number, because 12212210102001 - 27 = 12212210101873 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12212210102021) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 207763746 + ... + 207822516.
It is an arithmetic number, because the mean of its divisors is an integer number (316057008960).
Almost surely, 212212210102001 is an apocalyptic number.
It is an amenable number.
12212210102001 is a deficient number, since it is larger than the sum of its proper divisors (8015438471439).
12212210102001 is a wasteful number, since it uses less digits than its factorization.
12212210102001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65886.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 12212210102001 its reverse (10020101221221), we get a palindrome (22232311323222).
The spelling of 12212210102001 in words is "twelve trillion, two hundred twelve billion, two hundred ten million, one hundred two thousand, one".
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